Evidence map›Paper›PMID 42129851›Full record

ArticleJournal of orthopaedic surgery and research2026

Dexmedetomidine mitigates postoperative delirium after hip fracture surgery in elderly patients by modulating miR-107 expression.

Kaipeng Gu, Yuzhen Zhang, Zhiyong Xiang, Zhenpeng Lin, Fanfan Lou, Huizhi Lv

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Article in Journal of orthopaedic surgery and research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Kaipeng Gu *Department of Anesthesiology, Sanmen People's Hospital, No. 15, Taihe Road, Hairun Subdistrict, Sanmen County, Taizhou, 317100, China. gukaipeng@zjsmyy.com.
Yuzhen Zhang *Department of Intensive Care Unit, Sanmen People's Hospital, No. 15, Taihe Road, Hairun Subdistrict, Sanmen County, Taizhou, 317100, China. zhuangfeixiul5@163.com.
Zhiyong XiangDepartment of Anesthesiology, Sanmen People's Hospital, No. 15, Taihe Road, Hairun Subdistrict, Sanmen County, Taizhou, 317100, China.
Zhenpeng LinDepartment of Anesthesiology, Sanmen People's Hospital, No. 15, Taihe Road, Hairun Subdistrict, Sanmen County, Taizhou, 317100, China.
Fanfan LouDepartment of Anesthesiology, Sanmen People's Hospital, No. 15, Taihe Road, Hairun Subdistrict, Sanmen County, Taizhou, 317100, China.
Huizhi LvDepartment of Anesthesiology, Sanmen People's Hospital, No. 15, Taihe Road, Hairun Subdistrict, Sanmen County, Taizhou, 317100, China.

Funding

Clinical Study on the Efficacy of Ultrasound-Guided Lumbosacral Plexus + T12L1 Paravertebral Block versus Intrathecal Block in Elderly Patients Following Total Hip Arthroplasty 24ywb192Proactive Analgesia for Hip Fractures in the Elderly Using Dexmedetomidine Combined with Ultrasound-Guided Pericapsular Blockade of the Hip Joint 22ywb175
6 · The paper itself

Abstract

backgroundPostoperative delirium (POD) in elderly hip fracture patients has a poor prognosis, and the effect and mechanism of dexmedetomidine (Dex) combined with pericapsular nerve group (PENG) block on POD are unclear. To explore the improvement effect of Dex combined with PENG block on POD in elderly hip fracture patients and the regulatory role of miR-107.

methodsEighty-four elderly hip fracture patients (July 2022-December 2023) were divided into PENG block group (n = 28), Dex group (n = 27), and combined group (n = 29). NRS, MMSE, and POD incidence (CAM) were evaluated at T0 (preoperative), T1 (postoperative day 1), and T2 (postoperative day 7); serum miR-107 expression was detected and correlated. A mouse POD model and LPS-induced SH-SY5Y cell model were established; Morris water maze, Y-maze, open field test, ROC, logistic, CCK-8, ELISA, qPCR, and dual-luciferase assay were used for mechanism verification.

resultsNo significant differences were found among the three groups at T0. At T1 and T2, the combined group had lower NRS scores, higher MMSE scores, lower POD incidence (P < 0.05), and upregulated serum miR-107 (P < 0.001). miR-107 was positively correlated with MMSE (P < 0.001) and negatively correlated with NRS (P < 0.05). Animal/cell experiments showed Dex upregulated miR-107, inhibited FBXW7 and inflammatory factors, and improved cognition; miR-107 directly targeted FBXW7.

conclusionsDex combined with PENG block alleviates POD in elderly hip fracture patients by upregulating miR-107 to inhibit FBXW7 and neuroinflammation.

Indexed as

DeliriumDexmedetomidineEmergence DeliriumHip FracturesMicroRNAsPostoperative ComplicationsAgedAged, 80 and overAnimalsDisease Models, AnimalFemaleHumansMaleMiceNerve BlockDexmedetomidineMicroRNAsMIRN107 microRNA, humanDexmedetomidineFBXW7miR-107PENG blockPostoperative delirium

Identifiers

PMID42129851
PMCPMC13374125

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.